#357 indent.auto sets Indent Size = 1

[Piotr Fusik]

It's quite common for C and Java sources to start with
the following type of comments:
/*
* foobar
* ...
*/

(in case you don't see it, there are spaces before
asterisks)

indent.auto=1, which is normally quite handy, sets
Indent Size to 1 for such files
(the code is really indented with 4 spaces, for example),
which is completely useless.

I think indent.auto should never set Indent Size to 1.

[Neil Hodgson]

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Some people use single space indentation or have to deal
with files with single space indentation. Implementing
comment avoiding indentation discovery is a much more
complex feature that should be handled with script.